Changes PC's Alignment. |
Changes ability's effect without telling player. |
Changes house-rule mid-game for no good reason. |
Gives IC benefits for OOC actions. |
Lies repeatedly about a player's actions. |
Bans the tricks used by the least powerful character, but none of the others. |
Bans something after it's already on the PC's character sheet. |
Removes all a PC's equipment and/or abilities. |
Forces the party to split. |
Creates enemies which the fighter, archer etc. can only hit on a 20. |
Creates encounters with CR=ECL+5 or more that must be defeated to progress. |
Doesn't give the characters any indication of what to do. |
Gets annoyed at players for DM's own mistakes. |
Penalises players for having a lower CHA than their character. |
Penalises players for having a lower knowledge bonus than their character. |
Uses something like That Damned Crab. |
Random rules-lawyering, eg factotum surges as standard action so ability is useless. |
Buffs high-tier classes or nerfs low-tier ones. |
Breaks PCs' equipment for no good reason. |
Conversation in the Featureless Plane of Disembodied Dialogue. |
NPC guards turn out to be level 20 warblades or otherwise far more powerful than they should be. |
Gives BF/GF/Husband/Wife/Other partner/best friend IC bonuses and/or better loot. |
Bans books for no good reason ("I don't like DMing with it" is fine, "Truenamers are OP" isn't.) |
Having characters levelling at different rates. Exemption is made for XP spending characters. |
Anything which a DM does just because they feel like it without actually having a good reason. |